.sfb-container {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 9999;
}

.sfb-left {
  left: 15px;
}
.sfb-right {
  right: 15px;
}

.sfb-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
  font-size: 22px;
  transition: background-color 0.3s ease;
}

.sfb-fb {
  background-color: #1877f2;
}
.sfb-fb:hover {
  background-color: #145dbf;
}

.sfb-ln {
  background-color: #0a66c2;
}
.sfb-ln:hover {
  background-color: #004182;
}